Service difficulty report · Pressure Switch · Boeing 737890
FAA SDR system
- Difficulty date
- December 9, 2010
- Submitted
- December 10, 2010
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35177
- Aircraft time
- 16,785 hours, 4,927 cycles
- Part
- Pressure Switch
- Part number
- 2140401110
- Condition
- Failed
- Location
- Cabin O2
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN OXYGEN DROP FAILED AUTOMATIC ACTUATION TEST. REMOVED AND REPLACED ALTITUDE PRESSURE SWITCH.